#EFF691#EFF691

#EFF691 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.6% C 0.125 H 112.0°. Best body text is #000000 at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#EFF691
RGB	rgb(239, 246, 145)
HSL	hsl(64, 85%, 77%)
HSV	hsv(64, 41%, 96%)
CMYK	cmyk(2.8%, 0%, 41.1%, 3.5%)
CIE-LAB	lab(94.44, -16.77, 47.71)
CIE-LCH	lch(94.44, 50.57, 109.37°)
OKLab	oklab(94.62% -0.0466 0.1156)
OKLCH	oklch(94.62% 0.125 112)
XYZ	xyz(73.6641, 86.3078, 39.5611)
Luminance	0.8631 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF691 #9891F6

analogous

#F6CB91 #EFF691 #BDF691

triadic

#EFF691 #91EFF6 #F691EF

tetradic

#EFF691 #91F6CB #9891F6 #F691BD

square

#EFF691 #91F6CB #9891F6 #F691BD

split-complementary

#EFF691 #91BDF6 #CB91F6

monochromatic

#DFED20 #E7F158 #EFF691 #F7FBCA #FBFDE3

Accessibility & contrast

On white

1.15

#EFF691 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.26

#EFF691 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF691

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF691	#FFFFFF	#000000	##000000
##EFF691	1.00	1.15	18.26	18.26
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.26	21.00	1.00	1.00
##000000	18.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE89

Deuteranopia (green-blind)

#FFF096

Tritanopia (blue-blind)

#FBEBDE

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff691;
/* rgb */ color: rgb(239, 246, 145);
/* oklch */ color: oklch(94.6% 0.125 112.0);

Tailwind

colors: {
  custom: {
    50: '#f6f9b3',
    500: '#eff691',
    950: '#000000',
  },
}

SCSS

$custom: #eff691;
$custom-light: #f6f9b3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff691",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 145
  },
  "hsl": {
    "h": 64.158,
    "s": 84.874,
    "l": 76.667
  },
  "oklch": {
    "l": 0.94623,
    "c": 0.12462,
    "h": 112
  },
  "luminance": 0.86307
}

Semantic roles & 50–950 ramp

primary

#EFF691

secondary

#6057D4

accent

#04E113

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF691

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →